单项选择题

The United Nations' experts are supposed to ______.

A．construct strong buildings
B．put forward proposals
C．detect disastrous earthquakes
D．monitor earthquakes
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单项选择题
Why did the nobles wish to kill Herry
A．Herry had taken away power given to them by Richard.
B．Herry was weak, wicked, and treacherous.
C．Herry had needlessly killed members of their families.
D．Herry had killed King Richard.
单项选择题
Which of the following CANNOT be concluded from the passage
A．The number of earthquakes is closely related to depth.
B．Roughly the same number of earthquakes occur each year.
C．Earthquakes are impossible at depths over 460 miles.
D．Earthquakes are most likely to occur near the surfaces.
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